EM
Edward Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Edward Mason across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Elias & Leroy — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Mason |
| Given Name | Edward L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Road worker |
| Industry | State roads |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 144 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Road Worker |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Maggie Dorsey | Other | — | 62 | ~1878 |
| Mary Wilson | Spouse | — | 43 | ~1897 |
| Edward Mason | Son | — | 22 | ~1918 |
| Leroy Wilson | Head | — | 45 | ~1895 |
Census Appearances
1920
Frederick, Maryland
Son, age 2
Frederick, Maryland · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Edward E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | W. Virginia |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 13
Frederick, Maryland · implied b. ~1917
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mason |
| Given Name | Edward E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Son, age 22
Frederick-County, Maryland · implied b. ~1918 — 4 household members
| Surname | Mason |
| Given Name | Edward L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Road worker |
| Industry | State roads |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 144 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Edward Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elias Mason (~0.92 confidence) and father Leroy Wilson (~0.92 confidence) and mother Mary Wilson (~0.92 confidence) and mother Mary Mason (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elias Mason
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Leroy Wilson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Mary Wilson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Mason
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Mason
Son · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01548-00392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Robinson | 8 | Son | — | Maryland |
| 2 | Mabel Robinson | 13 | Daughter | — | Maryland |
| 3 | Elvina Wilson | 85 | Mother-in-law | — | Maryland |
| 4 | William Wilson | 31 | Son | Window Washer | Maryland |
| 5 | Phillip Thompson | 25 | Head | Road Worker | Maryland |
| 6 | Dorothy Thompson | 23 | Wife | House Worker | Maryland |
| 7 | Ronald Thompson | 5 | Son | — | Maryland |
| 8 | Mary J. Thompson | 4 | Daughter | — | Maryland |
| 9 | Nancy Thompson | 2 | Daughter | — | Maryland |
| 10 | Leroy Wilson | 45 | Head | Wall Scraper | Maryland |
| 11 | Mary Wilson | 43 | Wife | — | Maryland |
| 12 | Edward L. Mason THIS PERSON | 22 | Son | Road Worker | Maryland |
| 13 | Maggie Dorsey | 62 | Mother-in-law | — | Maryland |
| 14 | Roy T. Jakin | 52 | Head | Porter | Maryland |
| 15 | Margaret F. Jakin | 32 | Wife | — | Maryland |
| 16 | Clifton F. Jakin | 16 | Son | — | Maryland |
| 17 | George F. Jakin | 15 | Son | — | Maryland |
| 18 | Austin F. Jakin | 11 | Son | — | Maryland |
| 19 | Edward F. Jakin | 8 | Son | — | Maryland |
| 20 | Robert L. Jakin | 4 | Son | — | Maryland |
| 21 | Dorothy L. Jakin | 13 | Daughter | — | Maryland |
| 22 | Margaret G. Jakin | 2 | Daughter | — | Maryland |
| 23 | Elsie M. Butler | 34 | Head | House Maid | Maryland |
| 24 | Foster W. Butler | 17 | Son | — | Maryland |
| 25 | Edith M. Butler | 13 | Daughter | — | Maryland |
| 26 | Loretta R. Butler | 9 | Daughter | — | Maryland |
| 27 | Weston W. Butler | 4 | Son | — | Maryland |
| 28 | Maynard Reid | 27 | Head | Lime Feeder | Maryland |
| 29 | Florence S. Reid | 23 | Wife | — | Maryland |
| 30 | Maynard Reid | 3 | Son | — | Maryland |
| 31 | Dorothy Reid | 2 | Daughter | — | Maryland |
| 32 | Ulysses Reid | 0 | Son | — | Maryland |
| 33 | Eugene G. Brown | 41 | Head | Laborer | Maryland |
| 34 | Mary E. Brown | 43 | Wife | Cook | Maryland |
| 35 | Evelyn M. Brown | 24 | Daughter | Cook | Maryland |
| 36 | Hyland Ware | 26 | Head | Mechanic | Maryland |
| 37 | Francis Ware | 20 | Wife | — | Maryland |
| 38 | Hyland Jr. Ware | 2 | Son | — | Maryland |
| 39 | Ann D. Ware | 0 | Daughter | — | Maryland |
| 40 | Theodore Amburk | 55 | Head | Porter | Maryland |
Pedigree Summary
Edward
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)